public class person {
    private String name;
    private int age;//ziduan
    private int sex;
    private void eat(){}//方法
    private void sleep(){}
    private void dadoudou(){}
    public person(){}
    public static void main(String[] args) {
        person one = new person();
        person.name="zhangsan";
        person.age=19;
        person.sex=1;
        System.out.println(person.name);
        System.out.println(person.age);
        System.out.println(person.sex);
    }
    
}
